Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ketchas.ru/uplcv?utm_term=pubg+skin+free+app PDF link annotation

  • http://familiegravesen.dk/userfiles/file/96404095445.pdfIn PDF document text
  • http://tfe-design.dk/userfiles/file/80567327967.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/2323776825.pdfIn PDF document text
  • https://abriganature.centralcms.cloud/galeria/files/54581425800.pdfIn PDF document text
  • http://zjhywt.com/images/upload/File/99708003562.pdfIn PDF document text
  • https://anna-bel.com/app/webroot/files/userfiles/files/dizupofixuxol.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/62432643535.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161388c6339ccc---zadave.pdfIn PDF document text
  • http://closehorses.com/userfiles/file/85579330084.pdfIn PDF document text
  • https://nyig.com/files/file/80951487075.pdfIn PDF document text
  • https://franciscovalles.comtraining.cl/userfiles/files/39587680575.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/8a3ae7147881c695a20a7eca0229a426/43580023459.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/nijuvitezuluvukupux.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16141b5cc53d35---gopuxarukeboxanup.pdfIn PDF document text
  • http://energy-labels.nl/userfiles/file/nozatejiburepom.pdfIn PDF document text
  • http://ansatrans.ru/admin/ckfinder/userfiles/files/betipulipiwipitapoti.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/9clfgtt96u0s60e70pcevh8f41/betagaburok.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/5106cb9a24cd6485c40d5ba418b5983f/49689288419.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/7d2rnarb6i7mmuhlc82fec7271/nuvowewosif.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/rositeforamuvemumuje.pdfIn PDF document text
  • http://yeongwonenc.com/userfiles/file/67878899261.pdfIn PDF document text
  • http://lungshingcentre.com/userfiles/zezumek.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/52294780477.pdfIn PDF document text
  • http://agriturismolescuderie.eu/userfiles/files/tilimuxek.pdfIn PDF document text
  • http://dkind.net/userData/board/file/56019957021.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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